Patent US2473959A successfully refreshed from Google Patents.
US2473959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reel drive for planters
Assignee: International Motors LLC
•
Filing: 1944-08-21
•
Granted: 1949-06-21
•
Expires: 1964-08-21
Abstract
No abstract record available.
Inventors
- 👤 George M Kriegbaum
- 👤 Clarence C Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 03:20
CPC Classifications
A; A01; A01C; A01C7/00; A01C7/08; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19642; Y10T74/19679
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US210998A
Cited
US265197A
Cited
US315790A
Cited
US808424A
Cited
US1058694A
Cited
US939616A
Cited
US1976314A
Cited
US1892785A
Cited
US2033366A
Cited
US2171034A
Cited
US2108367A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-20 | 1952-12-20 | 1953-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-20 | 1956-12-20 | 1957-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-20 | 1960-12-20 | 1961-06-21 | $7700.00 | Window Closed / Lapsed |